Question

c#窗体启动的时候如何把焦点设在textbox2上？

textBox2.Focus();不行啊

Answer 1

//============ 方法1 =========
你只要 在 把 textBox2.TabIndex = 0; 就OK了！

private void Form1_Load(object sender, EventArgs e)
{
textBox2.TabIndex = 0;
}

//============ 方法2 =========
ActiveControl = textBox2;

Answer 2

正解是，在窗体Activated事件中这样写
private void test_Activated(object sender, EventArgs e)
{
this.textBox1.Focus();
}

Answer 3

this.textBox2.parent.select();
this.textBox2.select();
this.textBox2.focus();

Answer 4

private void Form1_Load(object sender, EventArgs e)
{
ActiveControl = textBox2;
}

Answer 5

Focus（）